J. M. Marston & Co. - 1899 Ad - Marston's Hand and Foot Powered Circular Saw | VintageMachinery.org
Skil Skil SPT67WL-01 Corded Circular Saw, 120 Volt - Walmart.com
Skil CR540602 20V 6-1/2 Inch Circular Saw Kit with PWRCORE Lithium Bat – MaxTool
DEWALT XTREME 12-volt Max 5-3/8-in Brushless Cordless Circular Saw in the Circular Saws department at Lowes.com
DeWalt, Atomic 20V Max Brushless 4.5 inch Circular Saw - Wilco Farm Stores
SKIL 15-Amp 7-1/4-in Worm Drive Corded Circular Saw in the Circular Saws department at Lowes.com
The short history of early pedal powered machines - LOW-TECH MAGAZINE
What Is The Best 10 1/4 inch Circular Saw - Timber Frame HQ
Cutting machine 500W woodworking power tool metal circular saw chainsaw machine|Electric Planers| - AliExpress
Electric Circular Saw, HYCHIKA 6.2A Mini Circular Saw with 3 Blades(4-1/2”), Compact Hand Saw Max Cutting Depth 1-7/8'' (90°), Rubber Handle, 10 Feet Cord, Fit for Wood Soft Metal Tile Plastic Cuts - - Amazon.com